quellish/waitForBlock.m

Created August 9, 2014 20:09

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quellish created this gist Aug 9, 2014.

waitForBlock.m

-Original file line number
+Diff line change
@@ -0,0 +1,7 @@
+    group = dispatch_group_create();
+    dispatch_group_enter(group);
+    [context performBlock:^{
+        result = [context executeFetch:...
+        dispatch_group_leave(group);
+    }];
+    groupResult = dispatch_group_wait(group, DISPATCH_TIME_FOREVER);